Effect of Sand and Sand-Lime Piles on the Behavior of Expansive Clay Soil

Table 6

Comparison of SPRF (%) obtained from equation (6) with that from Hergül [51].

RAR (%)	Experimental values obtained by [50]					Predicted values from equation (6)
	7 kPa	25 kPa	50 kPa	100 kPa	150 kPa	7 kPa	25 kPa	50 kPa	100 kPa	150 kPa
0	0.0	0	0	0	0	0	0	0	0	0
5	7.35	6.57	10.11	11.11	15.79	5.7	5.7	5.7	5.7	5.7
10	14.12	4.38	12.36	8.89	21.059	11.4	11.4	11.4	11.4	11.4
20	23.24	27.74	19.10	26.67	57.899	22.8	22.8	22.8	22.8	22.8
			R^2			0.966	0.793	0.893	0.854	0.421